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# Sue s monthly earnings consist of a monthly salary and a 4

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Senior Manager
Joined: 28 Aug 2010
Posts: 259

Kudos [?]: 774 [0], given: 11

Sue s monthly earnings consist of a monthly salary and a 4 [#permalink]

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27 Dec 2010, 13:58
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Difficulty:

45% (medium)

Question Stats:

62% (01:04) correct 38% (01:01) wrong based on 124 sessions

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Sue’s monthly earnings consist of a monthly salary and a 4 percent commission on the portion of her monthly sales that is in excess of \$2,000. If Sue’s monthly salary was the same in July as in August, how much greater were her sales in July than in August?

(1) Sue’s monthly earnings were \$3,620 in July and \$3,580 in August.
(2) Sue’s monthly salary was \$3,500 in July and in August.
[Reveal] Spoiler: OA

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Ajit

Kudos [?]: 774 [0], given: 11

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Kudos [?]: 129067 [1], given: 12194

Re: Sue s monthly earnings consist of a monthly salary and a 4 [#permalink]

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27 Dec 2010, 14:52
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ajit257 wrote:
Sue’s monthly earnings consist of a monthly salary and a 4 percent commission on the
portion of her monthly sales that is in excess of \$2,000. If Sue’s monthly salary was the
same in July as in August, how much greater were her sales in July than in August?

(1) Sue’s monthly earnings were \$3,620 in July and \$3,580 in August.
(2) Sue’s monthly salary was \$3,500 in July and in August.

can some explain a better way to deal with such problems.

Sue's earnings=fixed salary+4/100(sales-2,000) --> earnings=fixed salary+4/100*sales-80 --> sales=25(earnings-fixed salary+80).

Given: fixed salary(July)=fixed salary(August). Question: sales(July)-sales(August)=25(earnings(July)-fixed salary+80)-25(earnings(August)-fixed salary+80)=25(earnings(July)-earnings(August)) So, all we need is the values of earnings(July) and earnings(August)

(1) Sue’s monthly earnings were \$3,620 in July and \$3,580 in August. Sufficient.
(2) Sue’s monthly salary was \$3,500 in July and in August. Not sufficient.

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Kudos [?]: 129067 [1], given: 12194

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Re: Sue s monthly earnings consist of a monthly salary and a 4 [#permalink]

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02 Feb 2016, 09:30
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Re: Sue s monthly earnings consist of a monthly salary and a 4 [#permalink]

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20 Dec 2016, 15:43
Bunuel can we assume it is a fixed salary? Does GMAT assume monthly salary = fixed salary? I would expect it to be specified on test day.

Kudos [?]: 9 [0], given: 55

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Kudos [?]: 129067 [0], given: 12194

Re: Sue s monthly earnings consist of a monthly salary and a 4 [#permalink]

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21 Dec 2016, 01:22
raeann105 wrote:
Bunuel can we assume it is a fixed salary? Does GMAT assume monthly salary = fixed salary? I would expect it to be specified on test day.

The question specifies it perfectly: Sue’s monthly earnings consist of a monthly salary + a 4 percent commission on the portion of her monthly sales that is in excess of \$2,000.
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Kudos [?]: 129067 [0], given: 12194

Re: Sue s monthly earnings consist of a monthly salary and a 4   [#permalink] 21 Dec 2016, 01:22
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